LSWL: Swelling Index Testing

• Class: Samples, Amalgamated Specimens and Laboratory Test Scheduling

Heading	Unit	Type	Example	Description
LOCA_ID		ID	327-16A	Location identifier
SAMP_TOP	m	2DP	24.55	Depth to top of sample
SAMP_REF		X	24	Sample reference
SAMP_TYPE		PA	U	Sample type
SAMP_ID		ID	ABC121415010	Sample unique global identifier
SPEC_REF		X	1a	Specimen reference
SPEC_DPTH	m	2DP	24.55	Depth to top of test specimen
SPEC_DESC		X	Grey slightly gravelly clay	Specimen description
SPEC_PREP		X	Prepared according to client instructions	Details of specimen preparation including time between preparation and testing
LSWL_SWPR	kPa	0DP	50	Swelling Pressure Index
LSWL_SWSI	%	1DP	0.5	Swelling Strain Index
LSWL_MCI	%	1DP	5.6	Initial water content of test specimen
LSWL_SDIA	mm	1DP	63.2	Specimen diameter
LSWL_THCK	mm	1DP	50.1	Specimen thickness
LSWL_BDEN	kg/m3	0DP	2240	Initial bulk density
LSWL_DDEN	kg/m3	0DP	1870	Initial dry density
LSWL_REM		X		Remarks
LSWL_METH		X	ISRM : Suggested method	Test method
LSWL_LAB		X	ACME Laboratories plc	Name of testing laboratory/organisation
LSWL_CRED		X	UKAS 0000	Accrediting body and reference number (when appropriate)
TEST_STAT		X	Checked	Test status
FILE_FSET		X	FS10	Associated file reference (eg test result sheets)

Notes - 1

• The LSWL group should be used for swelling tests on both soil and rock materials.